A secret government tactical team is sent to perform a clean sweep of a private research installation. Horrible atrocities lurk within the abandoned corridors. Mutated sea creatures with insane killing abilities are waiting to suck the blood and meat from their prey. Unemployed college professor Conrad Garfield is forced to assist and is soon separated from the team. Alone and afraid, Conrad must use his wits to battle mutated lampreys, infected scientists and go head-to-head with the biggest monstrosity of all. Can Conrad survive, or will the deadly monsters suck the very life from his body?